fix #371,support applets with fillWidth/Height
--support applets that activate fillWidth/Heightpull/1/head
Michail Vourlakos
8 years ago
parent
45cccd4199
commit
8d195354b0
@ -0,0 +1,181 @@
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//! FILLWIDTH/FILLHEIGHT COMPUTATIONS
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//! Computations in order to calculate correctly the sizes for applets
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//! that are requesting fillWidth or fillHeight
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//! initialize AppletItems flag "inFillCalculations" in orderf
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//! to inform them that new calculations are taking place
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function initLayoutForFillsCalculations(layout) {
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for(var i=0; i<layout.children.length; ++i) {
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var curApplet = layout.children[i];
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if (curApplet.needsFillSpace) {
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curApplet.inFillCalculations = true;
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}
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}
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}
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//! during step1/pass1 all the applets with fills
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//! that use lower maximumSize than the proposed one from the
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//! algorithm are updated
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function computeStep1ForLayout(layout, availableSpace, sizePerApplet, noOfApplets) {
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for(var i=0; i<layout.children.length; ++i) {
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var curApplet = layout.children[i];
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var maxSize = 0;
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if (curApplet && curApplet.applet && curApplet.applet.Layout)
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maxSize = root.isVertical ? curApplet.applet.Layout.maximumHeight : curApplet.applet.Layout.maximumWidth;
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if (curApplet.needsFillSpace && (maxSize <= sizePerApplet) && (maxSize>=1) && (maxSize !== Infinity)) {
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curApplet.sizeForFill = maxSize;
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// console.log("s3_1 "+ maxSize);
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curApplet.inFillCalculations = false;
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availableSpace = Math.abs(availableSpace - maxSize);
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noOfApplets = noOfApplets - 1;
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sizePerApplet = noOfApplets > 1 ? Math.floor(availableSpace / noOfApplets) : availableSpace;
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// console.log(noOfApplets + " - " + sizePerApplet + " - " + availableSpace);
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}
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}
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return [availableSpace, sizePerApplet, noOfApplets];
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}
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//! during step2/pass2 all the applets with fills
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//! that remained with no computations from pass1
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//! are updated with the algorithm's proposed size
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function computeStep2ForLayout(layout, sizePerApplet) {
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for(var i=0; i<layout.children.length; ++i) {
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var curApplet = layout.children[i];
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if (curApplet.needsFillSpace && curApplet.inFillCalculations) {
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curApplet.sizeForFill = sizePerApplet;
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// console.log("s4_1 "+ sizePerApplet);
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curApplet.inFillCalculations = false;
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}
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}
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}
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//! initialize the three layouts and execute the step1/phase1
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//! it is used when the Centered (Main)Layout is only used or when the Main(Layout)
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//! is empty in Justify mode
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function initializationPhase(availableSpace, sizePerApplet, noOfApplets){
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if (root.panelAlignment === Latte.Dock.Justify) {
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initLayoutForFillsCalculations(startLayout);
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initLayoutForFillsCalculations(endLayout);
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}
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initLayoutForFillsCalculations(mainLayout);
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// console.log("s3...");
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//! first pass in order to update sizes for applet that want to fill space
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//! but their maximum metrics are lower than the sizePerApplet
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var res = computeStep1ForLayout(mainLayout, availableSpace, sizePerApplet, noOfApplets);
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availableSpace = res[0]; sizePerApplet = res[1]; noOfApplets = res[2];
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if (root.panelAlignment === Latte.Dock.Justify) {
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res = computeStep1ForLayout(startLayout, availableSpace, sizePerApplet, noOfApplets);
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availableSpace = res[0]; sizePerApplet = res[1]; noOfApplets = res[2];
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res = computeStep1ForLayout(endLayout, availableSpace, sizePerApplet, noOfApplets);
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availableSpace = res[0]; sizePerApplet = res[1]; noOfApplets = res[2];
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}
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return [availableSpace, sizePerApplet, noOfApplets];
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}
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function updateSizeForAppletsInFill() {
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if (visibilityManager.normalState && !root.editMode) {
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// console.log("-------------");
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// console.log("s1...");
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var noA = startLayout.fillApplets + mainLayout.fillApplets + endLayout.fillApplets;
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if (noA === 0)
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return;
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// console.log("s2...");
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if (mainLayout.shownApplets === 0 || root.panelAlignment !== Latte.Dock.Justify) {
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var availableSpace = Math.max(0, root.maxLength - startLayout.sizeWithNoFillApplets - mainLayout.sizeWithNoFillApplets - endLayout.sizeWithNoFillApplets - root.panelEdgeSpacing);
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var sizePerApplet = availableSpace / noA;
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var res = initializationPhase(availableSpace, sizePerApplet, noA);
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availableSpace = res[0]; sizePerApplet = res[1]; noA = res[2];
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// console.log("s4...");
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//! second pass in order to update sizes for applet that want to fill space
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//! this applets get the direct division of the available free space that
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//! remained from step1
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computeStep2ForLayout(startLayout, sizePerApplet);
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computeStep2ForLayout(mainLayout, sizePerApplet);
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computeStep2ForLayout(endLayout, sizePerApplet);
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//console.log("s5...");
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} else {
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//! Justify mode in all remaining cases
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//! compute the two free spaces around the centered layout
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//! they are called start and end accordingly
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var availableSpaceStart = Math.max(0, root.maxLength/2 - startLayout.sizeWithNoFillApplets - root.panelEdgeSpacing/2);
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var availableSpaceEnd = Math.max(0, root.maxLength/2 - endLayout.sizeWithNoFillApplets - root.panelEdgeSpacing/2);
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var availableSpace = availableSpaceStart + availableSpaceEnd - mainLayout.sizeWithNoFillApplets;
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var sizePerAppletMain = mainLayout.fillApplets > 0 ? availableSpace / noA : 0 ;
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var noStart = startLayout.fillApplets;
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var noMain = mainLayout.fillApplets;
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var noEnd = endLayout.fillApplets;
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//! initialize the computations
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initLayoutForFillsCalculations(startLayout);
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initLayoutForFillsCalculations(mainLayout);
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initLayoutForFillsCalculations(endLayout);
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//console.log("s3...");
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var res;
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//! first pass
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if (mainLayout.fillApplets > 0){
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res = computeStep1ForLayout(mainLayout, availableSpace, sizePerAppletMain, noMain);
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sizePerAppletMain = res[1]; noMain = res[2];
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var dif = (availableSpace - res[0]) / 2;
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availableSpaceStart = availableSpaceStart - dif;
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availableSpaceEnd = availableSpaceEnd - dif;
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}
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var sizePerAppletStart = startLayout.fillApplets > 0 ? availableSpaceStart / noStart : 0 ;
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var sizePerAppletEnd = endLayout.fillApplets > 0 ? availableSpaceEnd / noEnd : 0 ;
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if (startLayout.fillApplets > 0) {
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res = computeStep1ForLayout(startLayout, availableSpaceStart, sizePerAppletStart, noStart);
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availableSpaceStart = res[0]; sizePerAppletStart = res[1]; noStart = res[2];
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}
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if (endLayout.fillApplets > 0) {
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res = computeStep1ForLayout(endLayout, availableSpaceEnd, sizePerAppletEnd, noEnd);
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availableSpaceEnd = res[0]; sizePerAppletEnd = res[1]; noEnd = res[2];
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}
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////
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//! second pass
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if (mainLayout.shownApplets > 0) {
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//var bSize = root.isHorizontal ? mainLayout.width : mainLayout.height;
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sizePerAppletMain = (availableSpaceStart + availableSpaceEnd) / (noStart + noMain + noEnd);
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computeStep2ForLayout(mainLayout, sizePerAppletMain);
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var aSize = root.isHorizontal ? mainLayout.width : mainLayout.height;
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availableSpaceStart = availableSpaceStart - aSize/2;
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availableSpaceEnd = availableSpaceEnd - aSize/2;
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sizePerAppletStart = startLayout.fillApplets > 0 ? availableSpaceStart / noStart : 0 ;
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sizePerAppletEnd = endLayout.fillApplets > 0 ? availableSpaceEnd / noEnd : 0 ;
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}
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if (startLayout.fillApplets > 0)
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computeStep2ForLayout(startLayout, sizePerAppletStart);
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if (endLayout.fillApplets > 0)
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computeStep2ForLayout(endLayout, sizePerAppletEnd);
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}
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}
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}
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